Home / 8,901.87-13,352.66-3,635.72

Finding the Fourth Proportional to 8,901.87, 13,352.66 and 3,635.72

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Solution

The fourth proportional to 8,901.87, 13,352.66 and 3,635.72 is: 5,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.87 : 13,352.66 = 3,635.72 : x
  2. Step 2: Convert to fraction form
    8,901.87/13,352.66 = 3,635.72/x
  3. Step 3: Cross multiply
    8,901.87x = 13,352.66 × 3,635.72
  4. Step 4: Simplify right side
    8,901.87x = 48,546,548.22
  5. Step 5: Solve for x
    x = 48,546,548.22/8,901.87
  6. Step 6: Final answer
    x = 5,453.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.